<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="position&center.css">
</head>
<body>


    <div class="container">
        <div class="circle-1"></div>
        <div class="circle-2"></div>
    </div>


</body>
</html>